AU7725675A - Earth boring machine and method - Google Patents

Earth boring machine and method

Info

Publication number
AU7725675A
AU7725675A AU77256/75A AU7725675A AU7725675A AU 7725675 A AU7725675 A AU 7725675A AU 77256/75 A AU77256/75 A AU 77256/75A AU 7725675 A AU7725675 A AU 7725675A AU 7725675 A AU7725675 A AU 7725675A
Authority
AU
Australia
Prior art keywords
boring machine
earth boring
earth
machine
boring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU77256/75A
Other versions
AU480372B2 (en
Inventor
T. Cass David
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robbins Co
Original Assignee
Robbins Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Publication of AU480372B2 publication Critical patent/AU480372B2/en
Application filed by Robbins Co filed Critical Robbins Co
Publication of AU7725675A publication Critical patent/AU7725675A/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
AU77256/75A 1974-02-08 1975-01-13 Earth boring machine and method Expired AU480372B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
USUS440,695 1974-02-08
US440695A US3861748A (en) 1974-02-08 1974-02-08 Earth boring machine and method

Publications (2)

Publication Number Publication Date
AU480372B2 AU480372B2 (en)
AU7725675A true AU7725675A (en) 1976-07-15

Family

ID=

Also Published As

Publication number Publication date
JPS50108727A (en) 1975-08-27
ES434424A1 (en) 1977-03-16
US3861748A (en) 1975-01-21
CA1008091A (en) 1977-04-05
ES434425A1 (en) 1976-12-01
JPS52290B2 (en) 1977-01-06
CH585852A5 (en) 1977-03-15
GB1462604A (en) 1977-01-26

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